Data Sheet
June 26, 2009
Characteristic Curves
HW006/010/012 Series Power Modules; dc-dc Converters
36-75 Vdc Input; 1.2 Vdc to 5 Vdc Output; 6.6A to 12A
The following figures provide typical characteristics curves for the HW010A0G1 (VO = 2.5 V) module at room temperature (TA =
25 °C)
1.2
1
0.8
0.6
0.4
0.2
I
O
= 0.05A
0
25
30
35
40
45
50
55
60
INPUT VOLTAGE, V
I
(V)
65
70
75
I
O
= 10A
INPUT CURRENT, I
I
(A)
I
O
= 5A
OUTPUT CURRENT,
I
O
(A) (5 A/div)
OUTPUT VOLTAGE,
V
O
(V) (100 mV/div)
TIME, t (100 µs/div)
Figure 19.
Input Voltage and Current Characteristics.
Figure 22. Transient Response to Step Decrease in
Load from 50% to 25% of Full Load
(VI = 48 Vdc).
95
90
(%)
85
EFFICIENCY,
80
75
70
0
V
I
= 36V
V
I
= 48V
V
I
= 75V
1
2
3
4
5
6
7
OUTPUT CURRENT, I
O
(A)
8
9
10
OUTPUT CURRENT,
I
O
(A) (5 A/div)
OUTPUT VOLTAGE,
V
O
(V) (100 mV/div)
TIME, t (100 µs/div)
Figure 20.
Converter Efficiency vs. Output Current.
Figure 23. Transient Response to Step Increase in Load
from 50% to 75% of Full Load
(VI = 48 Vdc).
OUTPUT VOLTAGE,
V
O
(V) (10 mV/div)
TIME, t (1 µs/div)
REMOTE ON/OFF,
V
ON/OFF
(V) (5 V/div)
OUTPUT VOLTAGE,
V
O
(V) (500 mV/div)
TIME, t (5 ms/div)
Figure 21. Output Ripple Voltage (IO = IO, max).
Figure 24. Start-up from Remote On/Off (IO = IO, max).
9
Lineage Power